20804916388

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{1409}}^1\times {\mathrm{46727}}^1$

素因数の和:48219

約数の個数: 24

約数和(自身を含む): 36896428800

約数和(自身を除く): 16091512412

約数列:

[1, 2, 4, 79, 158, 316, 1409, 2818, 5636, 46727, 93454, 111311, 186908, 222622, 445244, 3691433, 7382866, 14765732, 65838343, 131676686, 263353372, 5201229097, 10402458194, 20804916388]

約数ペア:

[(1, 20804916388), (2, 10402458194), (4, 5201229097), (79, 263353372), (158, 131676686), (316, 65838343), (1409, 14765732), (2818, 7382866), (5636, 3691433), (46727, 445244), (93454, 222622), (111311, 186908)]